Droplet Battery diagram (IMAGE)
Caption
The activation process for the hydrogel droplet power unit. Left, before the battery is activated, an insulating lipid prevents ion flux between the droplets. Right: The power source is activated by a thermal gelation process to rupture the lipid bilayers. Ions then move through the conductive hydrogel, from the high-salt droplets at the two ends to the middle low-salt droplet. Silver/silver chloride electrodes were used to measure electrical output. Image credit: Yujia Zhang.
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Yujia Zhang.
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